package com.itheima.consumer.controller;

import com.itheima.consumer.pojo.Goods;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.util.CollectionUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.List;

@RestController
@RequestMapping("order")
public class OrderController {
    @Autowired
    private RestTemplate restTemplate;
    @Autowired
    private DiscoveryClient  discoveryClient;

    @GetMapping("findOne/{id}")
    public Goods find(@PathVariable("id") String id) {

        List<ServiceInstance> instances = discoveryClient.getInstances("EUREKA-PROVIDER");
        if (CollectionUtils.isEmpty(instances)){
            return null;
        }
        ServiceInstance serviceInstance = instances.get(0);
        String host = serviceInstance.getHost();
        int port = serviceInstance.getPort();

        String targetUrl="http://"+host+":"+port+"goods/findOne/"+ id;
        Goods forObject = restTemplate.getForObject(targetUrl, Goods.class);
        return forObject;
    }
}
